12V Zener Diode 3W (Pack of 10) : Amazon.co.uk: Business, Industry & Science
Amazon.com: Chanzon 120pcs (6 Colors x 20pcs) 12V 5mm LED Diode Copper Lights 7.9 inch 24awg Pre Wired Assorted Kit (Transparent Clear Round Lens) White Red Green Blue Yellow Warm-White Emitting LED